3-Chloro-5-nitrobenzenesulfonyl chloride CAS 953891-33-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 953891-33-3 |
| Molecular Formula | C6H3Cl2NO4S |
| Molecular Weight | 256.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-5-nitrobenzenesulfonyl chloride (CAS 953891-33-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C6H3Cl2NO4S. Molecular weight: 256.06 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C6H3Cl2NO4S |
| Molecular Weight | 256.06 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-Chloro-3-nitrobenzenesulfonyl chloride (CAS 15945-25-2)
- 2-Chloro-6-nitrobenzene-1-sulfonyl chloride (CAS 17970-75-1)
- 2-Chloro-4-nitrobenzenesulfonyl Chloride (CAS 20201-03-0)
- 2-Chloro-5-(chlorosulfonyl)nicotinic acid (CAS 476156-65-7)
- 2-Chloro-5-nitrobenzenesulfonyl Chloride (CAS 4533-95-3)
- 3-Chloro-2-nitrobenzenesulfonyl chloride (CAS 78846-40-9)
- 3-Chloro-4-nitrobenzenesulfonyl Chloride (CAS 64835-30-9)
- 4-Chloro-3-nitrobenzenesulfonyl Chloride (CAS 97-08-5)
Recommended Standards
- 4’-(Methoxycarbonyl)biphenyl-4-boronic Acid (CAS 501944-43-0)
- 4-Amino-3-bromo-1H-indazole-6-carboxylic acid (CAS 885521-20-0)
- 3-Bromo-6-methyl-4-nitro-1H-indazole (CAS 885520-86-5)
- 3-(4-Methylphenoxy)benzonitrile (CAS 253679-51-5)
- 2,2-dioxo-2λ⁶-thiaspiro[3.3]heptan-6-one (CAS 1936319-38-8)
- 2-Bromo-5-methylthiophene (CAS 765-58-2)
- 3-Fluoro-3-(4-methylphenyl)propiophenone (CAS 898768-75-7)
- 3-Chloro-1-(3-phenylpropyl)-1H-1,2,4-triazole hydrochloride (CAS 1351700-77-0)
- 2-(2-Bromopropyl)-3-methylpyridine (CAS 1484682-58-7)
- Tirzepatide Impurity 10 (CAS CATO-C4X-324010)
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